Evolution of the wastewater

Introduction

Öncelikle merhaba, burayı çalışma alanı olarak kullacağım. Çıkarttığım özetleri buraya aktaracağım. Metcalf &Eddy - Wastewater Engineering kitabını, Water Reuse Kitabını, internet kaynaklarını kullandım burada. Doktora yeterlilik (PhD qualification exam) sınavı için hazırladım.

Why do we treat the wastewater?

1. Alternative water resource
2. Remove unwanted substances
3. Remove pathogens
4. Remove toxic, mutagenic, carcinogenic compounds.

What is wastewater engineering? 

The environmental engineering branch solve these problems with economic, social, and political concerns and public and environmental health with a basic principles of the science and engineering:

1. Wastewater collection
2. Wastewater treatment
3. Water reuse

1. Evolution of the wastewater

This engineering area occurs because of the health and environmental concerns with urbanization.

What are the treatment objectives?

Removal of:

1. Suspended/floatable solid
2. Biodegradable organics
3. Pathogens
4. Affect long-term health and environmental impact.
5. Water quality objectives or standards for usage purposes

What are the problems in wastewater engineering? 

1. Climate change with the greenhouse gases
2. Discharge of the nutrients
3. Trace constituents
4. Excessive headloss
5. Pumping as a result of poor hydraulic design
6. Inefficinect aeration system desing
7. Lack of consideration for the importance of primary treatment system
8. Limited use of anaerobic processes for BOD removal and energy recovery
9. Limitations in sludge reuse and ultimate disposal options
10. Placement of wastewater treatment facilities without regard to water reuse
11. Life cycle pumping energy implications
12. The potential impacts of sea level rise